Rename ObjPtr::Decode to ObjPtr::Ptr

Done to prevent ambiguity with ScopedObjectAccess::Decode.

Bug: 31113334

Test: test-art-host
Change-Id: I07a2497cc9cf66386311798933547471987fc316
diff --git a/runtime/verifier/verifier_deps_test.cc b/runtime/verifier/verifier_deps_test.cc
index 4533464..71203e6 100644
--- a/runtime/verifier/verifier_deps_test.cc
+++ b/runtime/verifier/verifier_deps_test.cc
@@ -85,7 +85,7 @@
     SetVerifierDeps(dex_files);
 
     ObjPtr<mirror::ClassLoader> loader = soa->Decode<mirror::ClassLoader>(class_loader_);
-    class_linker_->RegisterDexFile(*dex_file_, loader.Decode());
+    class_linker_->RegisterDexFile(*dex_file_, loader.Ptr());
 
     klass_Main_ = FindClassByName("LMain;", soa);
     CHECK(klass_Main_ != nullptr);